<ion-tabs class="tabs-balanced tabs-icon-top">
  <ion-tab  icon-on="ion-ios-home" icon-off="ion-ios-home-outline" title="首页" ui-sref="tab.home">

    <ion-nav-view name="tab-home"></ion-nav-view>
  </ion-tab>
  <ion-tab  icon-on="ion-android-happy" icon-off="ion-android-happy" title="ST空间" ui-sref="tab.space">
    <ion-nav-view name="tab-space"></ion-nav-view>
  </ion-tab>
  <ion-tab  icon-on="ion-android-people" icon-off="ion-android-people" title="朋友" ui-sref="tab.friend">
    <ion-nav-view name="tab-friend"></ion-nav-view>
  </ion-tab>
  <ion-tab  icon-on="ion-gear-a" icon-off="ion-gear-b" title="设置" ui-sref="tab.setting">
    <ion-nav-view name="tab-setting"></ion-nav-view>
  </ion-tab>
</ion-tabs>
